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First-in-Human Trial Tests Hypoimmune Allogeneic Beta Cells for Type 1 Diabetes

First-in-Human Trial Tests Hypoimmune Allogeneic Beta Cells for Type 1 Diabetes

The ISSCR 2026 presentation describes the first human test of hypoimmune allogeneic cells in type 1 diabetes, building on primate data showing rejection avoidance. Success would remove a central barrier to curative cell replacement but remains preliminary. Controlled efficacy trials are required next.

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Key open questions include long-term durability beyond 12 months, differential effects on allo- versus autoimmunity, and scalability for larger cohorts. Next steps require controlled phase 2 data with C-peptide endpoints and biopsy-confirmed cell persistence before regulatory consideration.

⚡ Prediction

Schrepfer team: 6-month C-peptide >0.3 nmol/L reported in at least 3 of first 5 patients by July 2027

Sources (3)

  • [1]
    Primary Source(https://medicalxpress.com/news/2026-07-human-explores-immune-cell-therapy.html)
  • [2]
    Supporting Source(https://www.nature.com/articles/s41587-023-01749-8)
  • [3]
    Supporting Source(https://www.isscr.org/meetings-events/annual-meeting)